CISM International Centre for Mechanical Sciences, 2008
The small sensitivity to local variations of mechanical characteristics turns out to be the major... more The small sensitivity to local variations of mechanical characteristics turns out to be the major limit of indirect identification techniques based on frequency response measurements. To overcome this limit, the use of sensitivity enhancement techniques has recently proposed: the monitored structure is coupled to an auxiliary system, the constitutive parameters of which are then suitably tuned to enhance the sensitivities relevant to the identification process. The damage identification problem in these “augmented” structures is here introduced, and its main advantages and drawbacks are discussed. A beam-like structure coupled to a network of piezoelectric patches supplies an enlightening application of the proposed technique.
CISM International Centre for Mechanical Sciences, 2008
The small sensitivity to local variations of mechanical characteristics turns out to be the major... more The small sensitivity to local variations of mechanical characteristics turns out to be the major limit of indirect identification techniques based on frequency response measurements. To overcome this limit, the use of sensitivity enhancement techniques has recently proposed: the monitored structure is coupled to an auxiliary system, the constitutive parameters of which are then suitably tuned to enhance the sensitivities relevant to the identification process. The damage identification problem in these “augmented” structures is here introduced, and its main advantages and drawbacks are discussed. A beam-like structure coupled to a network of piezoelectric patches supplies an enlightening application of the proposed technique.
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Papers by Stefano Vidoli